Cron jobs problem Javascript not running in php LINUX server

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PHP

CodeIgniter

Hi ...... The code is in CodeIgniter ...
Cron job is not executing my javascript in PHP view page ,when I am assigning controller function and on the same time i am calling View Page(contains Javascript code ) ,after cron job done javascript was not executing in View page please help out .

[edit]
Hi this is a function i am calling in cron job

public function connect()
{


$mail=$this->Reports_model_weekly->get_all_usermails();
$i=0;
foreach($mail as $email)
{
    $data=array();
    $data['company_name']=$email['company_name'];
    $data['company_id']=$email['id'];
    $user=$email['customer_name'];
    $email_id=$email['email_id'];
    $data['surveys']=$this->Reports_model_weekly->get_surveys($email['id']); 
    $data['locations']=$this->Reports_model_weekly->get_locations($email['id']); 
 $graph=$this->load->view('reports/reports_weekly_graphs',$data);


//    print("<div style='display: none;'>".print_r($graph)."</div>" );
    $pdf_data=$this->pdf_generate($email['id']);  
    /*print("<script>alert('<!--?php print_r($graph);?-->');</script>");*/


  $html=$this->load->view('reports/reports_weekly',$pdf_data,true);

/*    $filename=$data['company_name'];
	$this->load->library('pdf');
    $mpdf = $this->pdf->load(); 
$mpdf->WriteHTML($html);
$mpdf->Output($data['company_name'],'D');
*/
  
    $this->db->select('id');
$image1=$this->db->get('weekly_report_image_url')->result_array();
    
    foreach($image1 as $row)
        {
	$id1=$row['id'];
	$this->db->delete('weekly_report_image_url',array('id'=>$id1));
        }
    $this->load->library('email');
    $config = array();
                                        $config = $this->mail_config();
                                        $config['mailtype'] = "html";
                                        $this->email->initialize($config);
                                        $this->email->from('no-Reply@gmail.com');
                                        $this->email->to('xyz@abc.com');
                                        $this->email->subject("Weekly Report");
						
                                        $this->email->message($html);
                                      /*$filename=$email['company_name'];
                                         $this->load->library('pdf');
                                        $mpdf = $this->pdf->load(); 

                                 $mpdf->WriteHTML($html);
                                 //$mpdf->Output($pdfFilePath, 'F');
                                 $mpdf->Output($email['company_name'],'D');
                               */
                                      
				if($this->email->send())
				{
					$data['success'] ='<p class="email_sent">An email has been sent to you </p> 
                    
                    <p>If you have not received the email:</p> 
                    <ul>
                    <li >Please Try to look at it in your spam email box.</li>
                    <li>If it is still not found, you may try to submit the form again to resend it.</li>
                    <li >If the problem persists, please contact us on<a href="mailto:support@txt.com" style="text-decoration:none;"><span style="color:#25a8e0;"> support@txt.com<span></a></li>
                    </ul>';                        
                                                    
                              
                                            
                                            //print_r($data); exit;
				}
}

This function manually works without cron job ... when i assign this to cron job it wont work .. please help me